LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 1994 >> Excel Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Coolant Temperature Sensor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Coolant Temperature Sensor

Coolant temperature sensor is a thermal resistor. The resistance of thermistor decreases as coolant temperature increases. ECM uses coolant temperature information for controlling fuel enrichment when engine is cold.